1130949100 has 54 divisors (see below), whose sum is σ = 2565621380. Its totient is φ = 432690720.

The previous prime is 1130949073. The next prime is 1130949101. The reversal of 1130949100 is 19490311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1130949101) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 42211 + ... + 63589.

Almost surely, 2^1130949100 is an apocalyptic number.

1130949100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130949100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1282810690).

1130949100 is an abundant number, since it is smaller than the sum of its proper divisors (1434672280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1130949100 is a wasteful number, since it uses less digits than its factorization.

1130949100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21439 (or 21409 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 1130949100 is about 33629.5866760209. The cubic root of 1130949100 is about 1041.8719674993.

The spelling of 1130949100 in words is "one billion, one hundred thirty million, nine hundred forty-nine thousand, one hundred".